Finding the Fourth Proportional to 19,614,438.72, 27,052,588.44 and 12,741,135.12
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Solution
The fourth proportional to 19,614,438.72, 27,052,588.44 and 12,741,135.12 is: 17,572,803.87
Step by Step Solution
- Step 1: Write the proportion equation
19,614,438.72 : 27,052,588.44 = 12,741,135.12 : x - Step 2: Convert to fraction form
19,614,438.72/27,052,588.44 = 12,741,135.12/x - Step 3: Cross multiply
19,614,438.72x = 27,052,588.44 × 12,741,135.12 - Step 4: Simplify right side
19,614,438.72x = 344,680,684,659,790 - Step 5: Solve for x
x = 344,680,684,659,790/19,614,438.72 - Step 6: Final answer
x = 17,572,803.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.